Home / 3,661.91-5,054.23-2,387.39

Finding the Fourth Proportional to 3,661.91, 5,054.23 and 2,387.39

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Solution

The fourth proportional to 3,661.91, 5,054.23 and 2,387.39 is: 3,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.91 : 5,054.23 = 2,387.39 : x
  2. Step 2: Convert to fraction form
    3,661.91/5,054.23 = 2,387.39/x
  3. Step 3: Cross multiply
    3,661.91x = 5,054.23 × 2,387.39
  4. Step 4: Simplify right side
    3,661.91x = 12,066,382.44
  5. Step 5: Solve for x
    x = 12,066,382.44/3,661.91
  6. Step 6: Final answer
    x = 3,295.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.